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DLMF:27.13.E7 - MaRDI portal

DLMF:27.13.E7 (Q8792)

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DLMF:27.13.E7
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    Statements

    DLMF defining formula
    r 2 ⁡ ( n ) = 4 ⁢ ( δ 1 ⁢ ( n ) - δ 3 ⁢ ( n ) ) . number-of-squares-R 2 𝑛 4 subscript 𝛿 1 𝑛 subscript 𝛿 3 𝑛 {\displaystyle{\displaystyle r_{2}\left(n\right)=4\left(\delta_{1}(n)-\delta_{% 3}(n)\right).}}
    0 references
    Symbols used
    Q12267
    DLMF defining formula
    r k ⁡ ( n ) number-of-squares-R 𝑘 𝑛 {\displaystyle{\displaystyle r_{\NVar{k}}\left(\NVar{n}\right)}}
    xml-id
    C27.S13.SS4.p1.m3aadec
    0 references
    positive integer
    DLMF defining formula
    n 𝑛 {\displaystyle{\displaystyle n}}
    xml-id
    C27.S1.XMD4.m1ddec
    0 references
    number of divisors
    DLMF defining formula
    δ j ⁢ ( n ) subscript 𝛿 𝑗 𝑛 {\displaystyle{\displaystyle\delta_{j}(n)}}
    xml-id
    C27.S13.XMD5.m1adec
    0 references

    Identifiers

     
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